Proceedings of the second Pan American scientific congress : los yacimientos de los minerales de wolfram en la República Argentina / by Beder, Roberto

Subjects:

Proceedings of the second Pan American scientific congress : history of the origin and development of de United States mining laws / by Thompson, J. W.

Subjects:

ECONOMIC GEOLOGY AND THE BULLETIN OF THE SOCIETY OF ECONOMIC GEOLOGIST.

Subjects: “…GEOLOGIA ECONOMICA…”

Proceedings of the second Pan American scientific congress : the value of technical societies to mining engineers / by Raymond, Rossiter W.

Subjects:

Proceedings of the second Pan American scientific congress : the hydrometallurgical treatment of complex gold and silver ores / by Clevenger, G. H.

Subjects:

Proceedings of the second Pan American scientific congress : the public interest in mineral resources / by Smith, George Otis

Subjects:

Proceedings of the second Pan American scientific congress : the interrelation of pure and applied chemistry / by Clarke, F. W.

Subjects:

Proceedings of the second Pan American scientific congress : assaying in the United States Mint Service / by Woolley, Robert W.

Subjects:

Proceedings of the second Pan American scientific congress : edad de los fósiles peruanos / by Lisson, Carlos I.

Subjects:

Proceedings of the second Pan American scientific congress : preliminary report on the mineral resources of Uruguay - bibliografía de la geología, minerología y paleontología de la... by Marstrander, Rolf

Subjects:

Proceedings of the second Pan American scientific congress : metallurgical operations at the Braden Copper Co / by Douglass, R. E.

Subjects:

Proceedings of the second Pan American scientific congress : metallurgical operations at the Chile Exploration Co / by Rose, C. A.

Subjects:

Proceedings of the second Pan American scientific congress : código de minas de Chile / by Foster, L. Julio

Subjects:

Proceedings of the second Pan American scientific congress : contribución al estudio de la figura de la tierra - sobre el notable paralelismo de los sistemas de montañas del globo... by Sandoval, Luis Matamoros

Subjects:

Puna de Atacama : Boratera de Antuco : Cuenca de Diablillos / by Catalano, Luciano R. 1890-1970

Subjects:

Estudios geológicos de yacimientos minerales de la provincia de Jujuy / by Ahlfeld, Federico

Subjects:

Proceedings of the second Pan American scientific congress : área de distribución de los yacimientos petrolíferos y estado actual de su explotación en la Argentina / by Hermitte, Enrique M.

Subjects:

Proceedings of the second Pan American scientific congress : the fuel situation in the Andean Plateaus / by Miller, Benjamin Leroy

Subjects:

Proceedings of the second Pan American scientific congress : the application of the paper-pulp filter to the quantitative estimation of calcium and magnesium / by Jodidi, S. L.

Subjects:

Proceedings of the second Pan American scientific congress : Mine of Chile Exploration Co., Chuquicanata, Chile / by Yeaman, Pope

Subjects: